81108836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27739}}^1$

素因数の和:27803

約数の個数: 24

約数和(自身を含む): 153790560

約数和(自身を除く): 72681724

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 27739, 55478, 110956, 471563, 943126, 1192777, 1886252, 2385554, 4771108, 20277209, 40554418, 81108836]

約数ペア:

[(1, 81108836), (2, 40554418), (4, 20277209), (17, 4771108), (34, 2385554), (43, 1886252), (68, 1192777), (86, 943126), (172, 471563), (731, 110956), (1462, 55478), (2924, 27739)]